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Diffstat (limited to 'vlib/vlib/unix/mc_socket.c')
-rw-r--r--vlib/vlib/unix/mc_socket.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/vlib/vlib/unix/mc_socket.c b/vlib/vlib/unix/mc_socket.c
index 2077fd7c..2754b302 100644
--- a/vlib/vlib/unix/mc_socket.c
+++ b/vlib/vlib/unix/mc_socket.c
@@ -955,7 +955,10 @@ find_interface_ip4_address (char *if_name, u32 * ip4_address, u32 * mtu)
clib_memcpy (ip4_address, &sa->sin_addr.s_addr, sizeof (ip4_address[0]));
if (ioctl (fd, SIOCGIFMTU, &ifr) < 0)
- return -1;
+ {
+ close (fd);
+ return -1;
+ }
if (mtu)
*mtu = ifr.ifr_mtu - ( /* IP4 header */ 20 + /* UDP header */ 8);